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authorDimitry Andric <dim@FreeBSD.org>2015-01-18 16:23:48 +0000
committerDimitry Andric <dim@FreeBSD.org>2015-01-18 16:23:48 +0000
commit06d4ba388873e6d1cfa9cd715a8935ecc8cd2097 (patch)
tree3eb853da77d46cc77c4b017525a422f9ddb1385b /test/Analysis/builtin-functions.cpp
parent30d791273d07fac9c0c1641a0731191bca6e8606 (diff)
Diffstat (limited to 'test/Analysis/builtin-functions.cpp')
-rw-r--r--test/Analysis/builtin-functions.cpp28
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Analysis/builtin-functions.cpp b/test/Analysis/builtin-functions.cpp
index 72d5ad23b16e..d3afab5bd615 100644
--- a/test/Analysis/builtin-functions.cpp
+++ b/test/Analysis/builtin-functions.cpp
@@ -22,3 +22,31 @@ void testSize() {
clang_analyzer_eval(i == 0); // expected-warning{{TRUE}}
}
+
+void test_assume_aligned_1(char *p) {
+ char *q;
+
+ q = (char*) __builtin_assume_aligned(p, 16);
+ clang_analyzer_eval(p == q); // expected-warning{{TRUE}}
+}
+
+void test_assume_aligned_2(char *p) {
+ char *q;
+
+ q = (char*) __builtin_assume_aligned(p, 16, 8);
+ clang_analyzer_eval(p == q); // expected-warning{{TRUE}}
+}
+
+void test_assume_aligned_3(char *p) {
+ void *q;
+
+ q = __builtin_assume_aligned(p, 16, 8);
+ clang_analyzer_eval(p == q); // expected-warning{{TRUE}}
+}
+
+void test_assume_aligned_4(char *p) {
+ char *q;
+
+ q = (char*) __builtin_assume_aligned(p + 1, 16);
+ clang_analyzer_eval(p == q); // expected-warning{{FALSE}}
+}